package com.pattern.command;

/**
 * @author 冯志立
 * @create 2019-11-15 9:19
 */

public class LightReceiver {

    public void on(){
        System.out.println("  电灯打开了  ");
    }

    public void off(){
        System.out.println("  电灯关闭了  ");
    }

}
